package com.gulimall.order.web;

import com.gulimall.order.service.OrderService;
import com.gulimall.order.vo.OrderConfirmVo;
import com.gulimall.order.vo.OrderSubmitVo;
import com.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.concurrent.ExecutionException;

/**
 * @author djg
 * @date 2020/9/6
 * @des
 */
@Controller
public class OrderWebController {

    @Autowired
    private OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model, HttpServletRequest request) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderConfirmVo =  orderService.confirmOrder();

        model.addAttribute("orderConfirmData", orderConfirmVo);
        //显示待确认的数据
        return "confirm";
    }

    /**
     * 下单
     *
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes) {

        SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
        if (responseVo.getCode() == 0) {
            //下单成功来到支付选择页
            model.addAttribute("submitOrderResp", responseVo);
            return "pay";
        }else{
            //下单失败，回到订单页重新确认订单信息
            String msg = "下单失败：";
            switch (responseVo.getCode()){
                case 1:
                    msg += "订单信息过期，请刷新后提交数据";
                    break;
                case 2:
                    msg += "商品价格发生变化，请确认后再次提交";
                    break;
                case 3:
                    msg += "库存锁定失败，商品库存不足";
                    break;
            }
            redirectAttributes.addFlashAttribute("msg", msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }

    }
}
